. Fig. 132. Antenna of T. flavipes. X 100. behind. Scutellum with two marginal bristles and a smaller hair on each side, all yellow. Pleura grey pruinose, anteriorly a little yel- lowish; above the middle coxæ a black, polished spot. Abdomen black, shining, either quite black or the anterior segments with greyish front margins at the sides. Il is clothed with short, yellowish hairs. Venter black. Legs together with the coxæ dark yellow or reddish yellow; the apex of the tarsal joints black, and the tarsi thus black annulated; sometirnes the femora may be more or less brownish above. Front femo
. Fig. 132. Antenna of T. flavipes. X 100. behind. Scutellum with two marginal bristles and a smaller hair on each side, all yellow. Pleura grey pruinose, anteriorly a little yel- lowish; above the middle coxæ a black, polished spot. Abdomen black, shining, either quite black or the anterior segments with greyish front margins at the sides. Il is clothed with short, yellowish hairs. Venter black. Legs together with the coxæ dark yellow or reddish yellow; the apex of the tarsal joints black, and the tarsi thus black annulated; sometirnes the femora may be more or less brownish above. Front femora somewhat, middle femora much thickened. The legs are yellowish haired, the front tibiæ have some small, -darker or paler bristles on the dorsal side; the hairs below the hind femora a little strong. Wings a little yellowish, Veins yellow at the base, pale brownish to blackish brown outwards. Halteres yellow. Female. Similar to the male except the pointed abdomen. Length 2,5—3,5 mm. T. flavipes is a common species in Denmark; Utterslev Mose, Ordrup Mose, Ermelund, Dyrehaven, Ørholm, Tisvilde, Frederikssund; on Langeland at Lohals; in Jutland in Greisdalen at Vejle, at Gjerlev near Randers Fjord, Hald near Viborg, Thisted, Sæby, Lønstrup and Frederikshavn, and on Læsø; fmally on Bornholm at Allinge; my dates are ^^/g—^^/s. It occurs on bushes and in low herbage both in woods and outside, on fields and meadows. Geographical distribution:— Europe down into Italy; towards the north to northern Sweden, and in Finland. 2. T. maculipes Meig. 1822. Meig. Syst. Beschr. III, 79, 27. - 1842. Zett. Dipt. Scand. 1, 274, 2. — 1862. Schin. F. A. 1, 87 [Platypalpus). — 1903. Kat. palåarkt. Dipt. II. 285. ^ I have given the comparisons of the length and breadth of the third antennal joint in this and the following species, such as they are generally seen with a lens; exact measurements under the microscope will show the joint relatively longer, but with a lens the outer, th
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